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Audio Toolbox / AUAudioUnit / startHardware()

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Declaration
Discussion
See Also

startHardware()

Starts the audio hardware.

Declaration

func startHardware() throws

Discussion

false if the operation failed.

Discussion

note:

In Swift, this method returns Void and is marked with the throws keyword to indicate that it throws an error in cases of failure.

You call this method in a try expression and handle any errors in the catch clauses of a do statement, as described in Error Handling in The Swift Programming Language and About Imported Cocoa Error Parameters.

See Also

Configuring the Device

deviceID
setDeviceID(_:)
canPerformInput
canPerformOutput
isInputEnabled
isOutputEnabled
inputHandler
outputProvider
deviceInputLatency
deviceOutputLatency
stopHardware()
AURenderPullInputBlock

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Audio ToolboxInstance Method

Declaration
Discussion
See Also

Built on 2026-05-07